SINCE 1828

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stoichiometry

noun stoi·chi·om·e·try \ ˌstȯi-kē-ˈä-mə-trē \

Definition of stoichiometry

1 : a branch of chemistry that deals with the application of the laws of definite proportions and of the conservation of mass and energy to chemical activity

2 a : the quantitative relationship between constituents in a chemical substance

b : the quantitative relationship between two or more substances especially in processes involving physical or chemical change

Origin and Etymology of stoichiometry

Greek stoicheion element (from stoichos row) + English -metry; akin to Greek steichein to walk, go — more at stair

NEW! Time Traveler

First Known Use: 1807

in the meaning defined at sense 1

See Words from the same year

Medical Dictionary

stoichiometry

noun stoi·chi·om·e·try \ ˌstȯi-kē-ˈäm-ə-trē \

medical Definition of stoichiometry

plural stoichiometries

1 : a branch of chemistry that deals with the application of the laws of definite proportions and of the conservation of mass and energy to chemical activity

2 a : the quantitative relationship between constituents in a chemical substance

b : the quantitative relationship between two or more substances especially in processes involving physical or chemical change

—

stoichiometric

play \-kē-ə-ˈme-trik\ adjective

Learn More about stoichiometry

Britannica.com: Encyclopedia article about stoichiometry

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